CVE-2026-18720 PUBLISHED

A flaw has been found in kalcaddle kodbox 1.67 Build 02. This vulnerability affects unknown code of the file /index.php?plugin/msgWarning/action of the component msgWarning Plugin. Executing a manipulation can lead to improper authorization. It is possible to launch the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

• lihongming (VulDB User) reporter
• VulDB CNA Team coordinator

• VDB-385631 | kalcaddle kodbox msgWarning Plugin action improper authorization
• VDB-385631 | CTI Indicators (IOB, IOC, TTP, IOA)
• CVE-2026-18720 | CVE Analysis and Report
• Submit #856156 | kalcaddle / kodcloud kodbox 1.67 build 02 Access Control Check Implemented After Asset is Accessed
• https://github.com/sjmycz/cve/issues/4

• Improper Authorization CWE
• Incorrect Privilege Assignment CWE